MESON Chess Problem Database

Problem Display
PID: 237444 (b2nK3/2pP1P2/N2p4/1Rpk4/B5N1/1P3P2/5Q2/8 w - - 0 1)

Labai, Zoltan

Buletin Problemistic, 2005

b2nK3/2pP1P2/N2p4/1Rpk4/B5N1/1P3P2/5Q2/8

#2

10 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bc6
      • 2.Sxc7#
    • 1...Sc6
      • 2.Sxc7#
    • 1...Se6
      • 2.Sb4#
    • 1...c6
      • 2.Sc7#
  • Tries
    • 1.Ra5?
      • threat
        • 2.Sxc7#
      • 1...Se6
        • 2.Sb4#
      • 1...c6
        • 2.Sc7#
      • 1...Ke6!
    • 1.Rxc5+?
      • 1...Ke6
        • 2.Sxc7#
        • 2.f8S#
      • 1...dxc5!
    • 1.Qe1?
      • threat
        • 2.Qe4#
      • 1...Kd4
        • 2.Qd2#
      • 1...Kc6!
    • 1.Qe3?
      • threat
        • 2.Sb4#
        • 2.Qe4#
      • 1...Sc6
        • 2.Sf6#
        • 2.Sxc7#
        • 2.Qe4#
      • 1...Kc6!
    • 1.Qxc5+?
      • 1...Ke6
        • 2.Sxc7#
        • 2.Qf5#
        • 2.f8S#
      • 1...dxc5!
    • 1.Qd2+?
      • 1...Kc6
        • 2.Sb8#
        • 2.Rb4#
        • 2.Rb8#
      • 1...Ke6!
    • 1.Qe2?
      • threat
        • 2.Qe4#
      • 1...Kd4
        • 2.Qc4#
        • 2.Qd2#
      • 1...Kc6!
    • 1.f8S?
      • threat
        • 2.Sb4#
      • 1...Sc6
        • 2.Sxc7#
      • 1...Kc6!
  • Keys
    • 1.Qc2!
      • threat
        • 2.Qe4#
      • 1...Kd4
        • 2.Qd2#
        • 2.Qc4#
      • 1...Kc6
        • 2.Sb4#
      • 1...Ke6
        • 2.Sxc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • B(e);P_PINP(H),SBLOCK::S(G),XP(d)
    • S(f);SBLOCK::S(G),XP(d)
    • S(f);SBLOCK::S(G)
    • P(d);SBLOCK::S(G)
  • Tries
    • Try
      • R(F);
      • Threat
        • S(G),XP(d)
      • Vars
        • S(f);SBLOCK::S(G)
        • P(d);::S(G)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • R(F);CHECK,XP(a)
      • Refutation
        • P(c);XR(F)
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • K(b);N_SPINP(a),P-FLIGHT::QAR2(A)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • Q(A);CHECK,XP(a)
      • Refutation
        • P(c);P_SPINP(c),XQ(A)
    • Try
      • Q(A);CHECK
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • P(I);
      • Threat
        • S(G)
      • Vars
        • S(f);SBLOCK::S(G),XP(d)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
  • Actual
    • Q(A);
    • Threat
      • QAB1(A)
    • Vars
      • K(b);S_FLIGHT::S(G)
      • K(b);N_SPINP(a),S_FLIGHT::S(G),XP(d)
HTML5 logo

Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).